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AD5412:  SINGLE CHANNEL, 12-BIT, SERIAL INPUT, CURRENT SOURCE & VOLTAGE OUTPUT DAC

The AD5412/AD5422 are low-cost, precision, fully integrated 12-/16-bit digital-to-analog converters (DAC) offering a pro-grammable current source and programmable voltage output designed to meet the requirements of industrial process control applications.

The output current range is programmable at 4 mA to 20 mA, 0 mA to 20 mA, or an overrange function of 0 mA to 24 mA.

Voltage ...More

AD5412:  Single Channel, 12-Bit, Serial Input, Current Source & Voltage Output DAC

Product Description

The AD5412/AD5422 are low-cost, precision, fully integrated 12-/16-bit digital-to-analog converters (DAC) offering a pro-grammable current source and programmable voltage output designed to meet the requirements of industrial process control applications.

The output current range is programmable at 4 mA to 20 mA, 0 mA to 20 mA, or an overrange function of 0 mA to 24 mA.

Voltage output is provided from a separate pin that can be configured to provide 0 V to 5 V, 0 V to 10 V, ±5 V, or ±10 V output ranges; an overrange of 10% is available on all ranges.

Analog outputs are short and open-circuit protected and can drive capacitive loads of 1 μF.

The device operates with an AVDD power supply range from 10.8 V to 40 V. Output loop compliance is 0 V to AVDD – 2.5 V.

The flexible serial interface is SPI- and MICROWIRE™-compatible and can be operated in 3-wire mode to minimize the digital isolation required in isolated applications.

The device also includes a power-on-reset function, ensuring that the device powers up in a known state. The part also includes an asynchronous clear pin (CLEAR) that sets the outputs to zero-scale/midscale voltage output or the low end of the selected current range.

The total output error is typically ±0.01% in current mode and ±0.01% in voltage mode.

Applications

  • Process Control
  • Actuator Control
  • PLC

Data Sheet, Rev. A, 9/09

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  • 12-/16-bit resolution and monotonicity
  • Current output ranges: 4 mA to 20 mA, 0 mA to 20 mA,
    0 mA to 24 mA
    ±0.01 % FSR typical total unadjusted error (TUE)
    ±3 ppm/°C output drift
  • Voltage output ranges: 0 V to 5 V, 0 V to 10 V, ±5 V, ±10 V
    10% overrange
    ±0.01 % FSR typical total unadjusted error (TUE)
    ±2 ppm/°C output drift
  • Flexible serial digital interface
  • On-chip output fault detection
  • On-chip reference: 10 ppm/°C maximum
  • Asynchronous clear function
  • Power supply range
    AVDD: 10.8 V to 40 V
    AVSS: −26.4 V to −3 V/0 V
  • Output loop compliance: AVDD – 2.5 V
  • Temperature range: −40°C to +85°C
  • TSSOP and LFCSP packages
  • Resolution (Bits): 12bit
  • DAC Update Rate: 40kSPS
  • DAC Settling Time: 18µs
  • # DAC Outputs: 1
  • DAC Type: I or V Out
  • DAC Input Format: Ser,SPI
  • Output FSR: (0-20mA),(0-24mA),(4-20mA),(Bip 10V),(Bip 5V),(Uni 10V),(Uni 5V)
  • Ref Int/Ext: Int/Ext
  • Supply Vnom: Multi(+12An, +3 to+5Dig),Multi(+15, +5Dig),Multi(±12An, +3 to+5Dig),Multi(±15, +3.3Dig) ,Multi(±15, +3Dig),Multi(±15, +5Dig)
  • Pwr Diss: 158mW
  • Package: SOP

AD5412 Functional Block Diagram

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Pricing, Packaging & Availability

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For detailed drawings and chemical composition please consult our  Package Site

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This is the acceptable operating range of the device. The various ranges specified are as follows:
  • Commercial: 0 to +70 degrees Celsius
  • Military : -55 to +125 degrees Celsius
  • Industrial: Temperature ranges may vary by model. Please consult the datasheet for more information.
  • Automotive: -40 to +125 degrees Celsius
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*The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
**Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.